Home / 18,351.28-27,511.33-7,265.76

Finding the Fourth Proportional to 18,351.28, 27,511.33 and 7,265.76

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Solution

The fourth proportional to 18,351.28, 27,511.33 and 7,265.76 is: 10,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.28 : 27,511.33 = 7,265.76 : x
  2. Step 2: Convert to fraction form
    18,351.28/27,511.33 = 7,265.76/x
  3. Step 3: Cross multiply
    18,351.28x = 27,511.33 × 7,265.76
  4. Step 4: Simplify right side
    18,351.28x = 199,890,721.06
  5. Step 5: Solve for x
    x = 199,890,721.06/18,351.28
  6. Step 6: Final answer
    x = 10,892.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.